290601449 has 2 divisors, whose sum is σ = 290601450. Its totient is φ = 290601448.

The previous prime is 290601433. The next prime is 290601461. The reversal of 290601449 is 944106092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254083600 + 36517849 = 15940^2 + 6043^2 .

It is a cyclic number.

It is not a de Polignac number, because 290601449 - 2⁴ = 290601433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (290621449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145300724 + 145300725.

It is an arithmetic number, because the mean of its divisors is an integer number (145300725).

Almost surely, 2^290601449 is an apocalyptic number.

It is an amenable number.

290601449 is a deficient number, since it is larger than the sum of its proper divisors (1).

290601449 is an equidigital number, since it uses as much as digits as its factorization.

290601449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 290601449 is about 17047.0363699970. The cubic root of 290601449 is about 662.3678713123.

The spelling of 290601449 in words is "two hundred ninety million, six hundred one thousand, four hundred forty-nine".